diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/vfork.S | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/vfork.S | 8 |
2 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/vfork.S b/sysdeps/unix/sysv/linux/i386/vfork.S index e1f6df0998..e660e6b70e 100644 --- a/sysdeps/unix/sysv/linux/i386/vfork.S +++ b/sysdeps/unix/sysv/linux/i386/vfork.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2002, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Schwab <schwab@gnu.org>. @@ -34,6 +34,10 @@ ENTRY (__vfork) /* Pop the return PC value into ECX. */ popl %ecx +#ifdef SAVE_PID + SAVE_PID +#endif + /* Stuff the syscall number in EAX and enter into the kernel. */ movl $SYS_ify (vfork), %eax int $0x80 @@ -43,6 +47,10 @@ ENTRY (__vfork) address back on the stack. */ pushl %ecx +#ifdef RESTORE_PID + RESTORE_PID +#endif + cmpl $-4095, %eax /* Branch forward if it failed. */ # ifdef __ASSUME_VFORK_SYSCALL diff --git a/sysdeps/unix/sysv/linux/x86_64/vfork.S b/sysdeps/unix/sysv/linux/x86_64/vfork.S index 193b0bdff6..4bad38892b 100644 --- a/sysdeps/unix/sysv/linux/x86_64/vfork.S +++ b/sysdeps/unix/sysv/linux/x86_64/vfork.S @@ -32,6 +32,10 @@ ENTRY (__vfork) popq %rdi cfi_adjust_cfa_offset(-8) +#ifdef SAVE_PID + SAVE_PID +#endif + /* Stuff the syscall number in RAX and enter into the kernel. */ movl $SYS_ify (vfork), %eax syscall @@ -40,6 +44,10 @@ ENTRY (__vfork) pushq %rdi cfi_adjust_cfa_offset(8) +#ifdef RESTORE_PID + RESTORE_PID +#endif + cmpl $-4095, %eax jae SYSCALL_ERROR_LABEL /* Branch forward if it failed. */ |